Immobilized lightweight alkane isomerization catalyst as well as preparation and application thereof
A light alkane and catalyst technology, which is used in isomerization to produce hydrocarbons, carbon compound catalysts, catalysts for physical/chemical processes, etc. problem, to achieve the effect of high catalyst activity, saving dosage, and stable combination
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Embodiment 1
[0034] A kind of preparation of solid-supported light alkane isomerization catalyst comprises the steps:
[0035] (1) Accurately weigh 9.18 g of 1-vinylimidazole in a 150 mL three-necked flask, add 30 mL of ethyl acetate, stir to mix evenly, then add 12.2 g of 1,3-propyl sultone, and place in an ice bath Reflux for 12 h, then wash three times with ethyl acetate, and vacuum dry at 50°C for 4 h to obtain white solid VMPS; then, accurately weigh 12.5 g VMPS and dissolve it in 20 mL of methanol, add 0.05 g of polymerizing agent azobisisobutyl Nitrile (AIBN), reflux reaction at 60°C for 24 h under the protection of nitrogen, washed with ethanol three times and vacuum-dried at 80°C for 4 h to obtain poly-VMPS as a white solid; finally, accurately weigh 10.81 g of poly-VMPS and dissolve it in 20 mL of methanol 5.48 g hydrochloric acid solution (36.5 wt%) was added dropwise, reacted at room temperature for 10 h, rotary evaporated and vacuum dried at 90 °C for 6 h to obtain poly-VMPS-C...
Embodiment 2
[0038] A kind of preparation of solid-supported light alkane isomerization catalyst comprises the steps:
[0039] (1) Accurately weigh 9.18 g of 1-vinylimidazole in a 150 mL three-necked flask, add 30 mL of ethyl acetate, stir to mix evenly, then add 12.2 g of 1,3-propyl sultone, and place in an ice bath Reflux for 12 h, wash with ethyl acetate three times, and vacuum dry at 50°C for 4 h to obtain white solid VMPS; then, accurately weigh 12.5 g of VMPS and dissolve in 20 mL of methanol, add 0.5 g of polymerizing agent azobisisobutyl Nitrile (AIBN), reflux reaction at 60°C for 24 h under the protection of nitrogen, washed with ethanol three times and vacuum-dried at 80°C for 4 h to obtain poly-VMPS as a white solid; finally, accurately weigh 10.81 g of poly-VMPS and dissolve it in 20 mL of methanol 5.48 g of hydrochloric acid solution (36.5 wt%) was added dropwise, reacted in ice bath for 18 h, rotary evaporated and vacuumed at 90 ° C for 6 h to obtain poly-VMPS-Cl, which is th...
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